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Patrick Welche <prlw1@cam.ac.uk>
[netbsd-mini2440.git] / usr.sbin / dumpfs / dumpfs.c
blob3405e915bbb5a27716c01497ee3b5f4e8b2d17a0
1 /* $NetBSD: dumpfs.c,v 1.52 2009/04/15 05:43:22 lukem Exp $ */
2
3 /*
4 * Copyright (c) 1983, 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 __COPYRIGHT("@(#) Copyright (c) 1983, 1992, 1993\
35 The Regents of the University of California. All rights reserved.");
36 #endif /* not lint */
37
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95";
41 #else
42 __RCSID("$NetBSD: dumpfs.c,v 1.52 2009/04/15 05:43:22 lukem Exp $");
43 #endif
44 #endif /* not lint */
45
46 #include <sys/param.h>
47 #include <sys/time.h>
48
49 #include <ufs/ufs/dinode.h>
50 #include <ufs/ufs/ufs_bswap.h>
51 #include <ufs/ffs/fs.h>
52 #include <ufs/ffs/ffs_extern.h>
53
54 #include <err.h>
55 #include <errno.h>
56 #include <fcntl.h>
57 #include <fstab.h>
58 #include <stdio.h>
59 #include <stdlib.h>
60 #include <string.h>
61 #include <stddef.h>
62 #include <unistd.h>
63 #include <util.h>
64
65 union fsun {
66 struct fs fs;
67 char pad[MAXBSIZE];
68 } fsun;
69 #define afs fsun.fs
70
71 uint16_t opostblsave[32*8];
72
73 union {
74 struct cg cg;
75 char pad[MAXBSIZE];
76 } cgun;
77 #define acg cgun.cg
78
79 #define OPT_FLAG(ch) (1 << ((ch) & 31))
80 #define ISOPT(opt) (opt_flags & (opt))
81 #define opt_alt_super OPT_FLAG('a')
82 #define opt_superblock OPT_FLAG('s')
83 #define opt_cg_summary OPT_FLAG('m')
84 #define opt_cg_info OPT_FLAG('c')
85 #define opt_inodes OPT_FLAG('i')
86 #define opt_verbose OPT_FLAG('v')
87 #define DFLT_CHECK (opt_alt_super | opt_cg_info | opt_inodes | \
88 opt_cg_summary | opt_superblock)
89 #define DFLT_OPTS (opt_superblock | opt_cg_summary | opt_cg_info | opt_verbose)
90
91 long dev_bsize = 512;
92 int needswap, printold, is_ufs2;
93 int Fflag;
94
95 uint opt_flags;
96
97 int dumpfs(const char *);
98 int print_superblock(struct fs *, uint16_t *, const char *, int, off_t);
99 int print_cgsum(const char *, int);
100 int print_cginfo(const char *, int);
101 int print_inodes(const char *, int, int, int);
102 int print_alt_super(const char *, int);
103 int dumpcg(const char *, int, int);
104 int main(int, char **);
105 int openpartition(const char *, int, char *, size_t);
106 void pbits(int, void *, int);
107 void usage(void);
108 void print_ufs1_inode(int, int, void *);
109 void print_ufs2_inode(int, int, void *);
110 void fix_superblock(struct fs *, uint16_t *);
111
112 int
113 main(int argc, char *argv[])
114 {
115 int ch, eval;
116
117 while ((ch = getopt(argc, argv, "acimsvF")) != -1)
118 switch(ch) {
119 case 'a': /* alternate superblocks */
120 case 'c': /* cylinder group info */
121 case 'i': /* actual inodes */
122 case 'm': /* cylinder group summary */
123 case 's': /* superblock */
124 case 'v': /* more verbose */
125 opt_flags |= OPT_FLAG(ch);
126 break;
127 case 'F': /* File (not device) */
128 Fflag = 1;
129 break;
130 case '?':
131 default:
132 usage();
133 }
134 argc -= optind;
135 argv += optind;
136
137 if ((opt_flags & DFLT_CHECK) == 0)
138 opt_flags |= DFLT_OPTS;
139
140 if (argc < 1)
141 usage();
142
143 for (eval = 0; *argv; ++argv) {
144 eval |= dumpfs(*argv);
145 }
146
147 exit(eval);
148 }
149
150
151 int
152 dumpfs(const char *name)
153 {
154 static const off_t sblock_try[] = SBLOCKSEARCH;
155 char device[MAXPATHLEN];
156 int fd, i;
157 int rval = 1;
158
159 if (Fflag)
160 fd = open(name, O_RDONLY);
161 else {
162 fd = openpartition(name, O_RDONLY, device, sizeof(device));
163 name = device;
164 }
165 if (fd == -1)
166 goto err;
167
168 for (i = 0; ; i++) {
169 if (sblock_try[i] == -1) {
170 warnx("%s: could not find superblock, skipped", name);
171 return 1;
172 }
173 if (lseek(fd, sblock_try[i], SEEK_SET) == (off_t)-1)
174 continue;
175 if (read(fd, &afs, SBLOCKSIZE) != SBLOCKSIZE)
176 continue;
177 switch(afs.fs_magic) {
178 case FS_UFS2_MAGIC:
179 is_ufs2 = 1;
180 break;
181 case FS_UFS1_MAGIC:
182 break;
183 case FS_UFS2_MAGIC_SWAPPED:
184 is_ufs2 = 1;
185 needswap = 1;
186 break;
187 case FS_UFS1_MAGIC_SWAPPED:
188 needswap = 1;
189 break;
190 default:
191 continue;
192 }
193 fix_superblock(&afs, opostblsave);
194 if (printold) {
195 if (sblock_try[i] == SBLOCK_UFS2)
196 /* This might be an alternate superblock */
197 continue;
198 } else {
199 if (sblock_try[i] != afs.fs_sblockloc)
200 /* This must be an alternate superblock */
201 continue;
202 }
203 break;
204 }
205
206
207 dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1);
208
209 rval = 0;
210 printf("file system: %s\n", name);
211
212 if (ISOPT(opt_superblock))
213 rval = print_superblock(&afs, opostblsave, name, fd, sblock_try[i]);
214 if (rval == 0 && ISOPT(opt_cg_summary))
215 rval = print_cgsum(name, fd);
216 if (rval == 0 && ISOPT(opt_alt_super))
217 rval = print_alt_super(name, fd);
218 if (rval == 0 && ISOPT(opt_cg_info))
219 rval = print_cginfo(name, fd);
220 else if (rval == 0 && ISOPT(opt_inodes))
221 rval = print_inodes(name, fd, 0, afs.fs_ncg);
222
223 err:
224 if (fd != -1)
225 (void)close(fd);
226 if (rval)
227 warn("%s", name);
228 return rval;
229 }
230
231 void
232 fix_superblock(struct fs *fs, uint16_t *opostbl)
233 {
234 if (needswap &&
235 (((int32_t)bswap32(fs->fs_old_postblformat) == FS_42POSTBLFMT) ||
236 (bswap32(fs->fs_old_postbloff) == offsetof(struct fs, fs_old_postbl_start)))) {
237 int i;
238 memcpy(opostbl, &fs->fs_old_postbl_start, 512);
239 for(i=0;i<256;i++)
240 opostbl[i] = bswap16(opostbl[i]);
241 } else if (!needswap &&
242 ((fs->fs_old_postblformat == FS_42POSTBLFMT) ||
243 (fs->fs_old_postbloff == offsetof(struct fs, fs_old_postbl_start)))) {
244 memcpy(opostbl, &fs->fs_old_postbl_start, 512);
245 }
246
247 if (needswap)
248 ffs_sb_swap(fs, fs);
249
250 printold = (fs->fs_magic == FS_UFS1_MAGIC &&
251 (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0);
252 if (printold) {
253 fs->fs_sblockloc = SBLOCK_UFS1;
254 fs->fs_flags = fs->fs_old_flags;
255 fs->fs_maxbsize = fs->fs_bsize;
256 fs->fs_time = fs->fs_old_time;
257 fs->fs_size = fs->fs_old_size;
258 fs->fs_dsize = fs->fs_old_dsize;
259 fs->fs_csaddr = fs->fs_old_csaddr;
260 fs->fs_cstotal.cs_ndir = fs->fs_old_cstotal.cs_ndir;
261 fs->fs_cstotal.cs_nbfree = fs->fs_old_cstotal.cs_nbfree;
262 fs->fs_cstotal.cs_nifree = fs->fs_old_cstotal.cs_nifree;
263 fs->fs_cstotal.cs_nffree = fs->fs_old_cstotal.cs_nffree;
264 }
265
266 if (printold && fs->fs_old_postblformat == FS_42POSTBLFMT)
267 fs->fs_old_nrpos = 8;
268 }
269
270 int
271 print_superblock(struct fs *fs, uint16_t *opostbl,
272 const char *name, int fd, off_t sblock)
273 {
274 int i, size;
275 time_t t;
276 int32_t fsflags;
277
278 printf("format\tFFSv%d\n", is_ufs2+1);
279 #if BYTE_ORDER == LITTLE_ENDIAN
280 if (needswap)
281 #else
282 if (!needswap)
283 #endif
284 printf("endian\tbig-endian\n");
285 else
286 printf("endian\tlittle-endian\n");
287 t = fs->fs_time;
288 if ((sblock != SBLOCK_UFS1) || ISOPT(opt_alt_super))
289 printf("location %lld\t(-b %lld)\n",
290 (long long)sblock, (long long)(sblock/dev_bsize));
291 printf("magic\t%-8x\ttime\t%s",
292 fs->fs_magic, ctime(&t));
293
294 if (is_ufs2)
295 i = 5;
296 else {
297 i = 0;
298 if (fs->fs_old_postblformat != FS_42POSTBLFMT) {
299 i++;
300 if (fs->fs_old_inodefmt >= FS_44INODEFMT) {
301 int max;
302
303 i++;
304 max = fs->fs_maxcontig;
305 size = fs->fs_contigsumsize;
306 if ((max < 2 && size == 0)
307 || (max > 1 && size >= MIN(max, FS_MAXCONTIG)))
308 i++;
309 }
310 if (fs->fs_old_flags & FS_FLAGS_UPDATED) {
311 i = 4;
312 }
313 }
314 }
315 if (!printold || fs->fs_sblockloc != SBLOCK_UFS1 ||
316 fs->fs_id[0] || fs->fs_id[1])
317 printf("superblock location\t%jd\tid\t[ %x %x ]\n",
318 (intmax_t)fs->fs_sblockloc, fs->fs_id[0], fs->fs_id[1]);
319 printf("cylgrp\t%s\tinodes\t%s\tsblock\t%s\tfslevel %d\n",
320 i < 1 ? "static" : "dynamic",
321 i < 2 ? "4.2/4.3BSD" : i < 5 ? "4.4BSD" : "FFSv2",
322 i < 4 ? "FFSv1" : "FFSv2", i);
323 printf("nbfree\t%lld\tndir\t%lld\tnifree\t%lld\tnffree\t%lld\n",
324 (long long)fs->fs_cstotal.cs_nbfree,
325 (long long)fs->fs_cstotal.cs_ndir,
326 (long long)fs->fs_cstotal.cs_nifree,
327 (long long)fs->fs_cstotal.cs_nffree);
328 if (printold)
329 printf("ncg\t%d\tncyl\t%d\tsize\t%lld\tblocks\t%lld\n",
330 fs->fs_ncg, fs->fs_old_ncyl, (long long)fs->fs_size, (long long)fs->fs_dsize);
331 else
332 printf("ncg\t%d\tsize\t%lld\tblocks\t%lld\n",
333 fs->fs_ncg, (long long)fs->fs_size, (long long)fs->fs_dsize);
334 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
335 fs->fs_bsize, fs->fs_bshift, fs->fs_bmask);
336 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
337 fs->fs_fsize, fs->fs_fshift, fs->fs_fmask);
338 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
339 fs->fs_frag, fs->fs_fragshift, fs->fs_fsbtodb);
340 if (printold)
341 printf("cpg\t%d\t", fs->fs_old_cpg);
342 printf("bpg\t%d\tfpg\t%d\tipg\t%d\n",
343 fs->fs_fpg / fs->fs_frag, fs->fs_fpg, fs->fs_ipg);
344 printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n",
345 fs->fs_minfree, fs->fs_optim == FS_OPTSPACE ? "space" : "time",
346 fs->fs_maxcontig, fs->fs_maxbpg);
347 if (printold) {
348 printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n",
349 fs->fs_old_rotdelay, fs->fs_old_headswitch,
350 fs->fs_old_trkseek, fs->fs_old_rps);
351 printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n",
352 fs->fs_spare2, fs->fs_old_nsect, fs->fs_old_npsect,
353 fs->fs_old_spc);
354 }
355 printf("symlinklen %d\t", fs->fs_maxsymlinklen);
356 if (printold)
357 printf("trackskew %d\tinterleave %d\t",
358 fs->fs_old_trackskew, fs->fs_old_interleave);
359 printf("contigsumsize %d\n", fs->fs_contigsumsize);
360 printf("maxfilesize 0x%016llx\n",
361 (unsigned long long)fs->fs_maxfilesize);
362 if (printold)
363 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n", fs->fs_nindir,
364 fs->fs_inopb, fs->fs_old_nspf);
365 else
366 printf("nindir\t%d\tinopb\t%d\n", fs->fs_nindir, fs->fs_inopb);
367 if (!printold || (fs->fs_avgfilesize > 0) || (fs->fs_avgfpdir > 0))
368 printf("avgfilesize %d\tavgfpdir %d\n",
369 fs->fs_avgfilesize, fs->fs_avgfpdir);
370 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
371 fs->fs_sblkno, fs->fs_cblkno, fs->fs_iblkno, fs->fs_dblkno);
372 printf("sbsize\t%d\tcgsize\t%d", fs->fs_sbsize, fs->fs_cgsize);
373 if (printold)
374 printf("\toffset\t%d\tmask\t0x%08x",
375 fs->fs_old_cgoffset, fs->fs_old_cgmask);
376 printf("\ncsaddr\t%lld\tcssize\t%d",
377 (long long)fs->fs_csaddr, fs->fs_cssize);
378 if (printold)
379 printf("\tshift\t%d\tmask\t0x%08x",
380 fs->fs_old_csshift, fs->fs_old_csmask);
381 printf("\ncgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t0x%02x\n",
382 fs->fs_cgrotor, fs->fs_fmod, fs->fs_ronly, fs->fs_clean);
383 printf("wapbl version 0x%x\tlocation %u\tflags 0x%x\n",
384 fs->fs_journal_version, fs->fs_journal_location,
385 fs->fs_journal_flags);
386 printf("wapbl loc0 %" PRIu64 "\tloc1 %" PRIu64,
387 fs->fs_journallocs[0], fs->fs_journallocs[1]);
388 printf("\tloc2 %" PRIu64 "\tloc3 %" PRIu64 "\n",
389 fs->fs_journallocs[2], fs->fs_journallocs[3]);
390 printf("flags\t");
391 if (fs->fs_flags == 0)
392 printf("none");
393 if (fs->fs_flags & FS_UNCLEAN)
394 printf("unclean ");
395 if (fs->fs_flags & FS_DOSOFTDEP)
396 printf("soft-updates ");
397 if (fs->fs_flags & FS_NEEDSFSCK)
398 printf("needs fsck run ");
399 if (fs->fs_flags & FS_INDEXDIRS)
400 printf("indexed directories ");
401 if (fs->fs_flags & FS_ACLS)
402 printf("acls ");
403 if (fs->fs_flags & FS_MULTILABEL)
404 printf("multilabel ");
405 if (fs->fs_flags & FS_FLAGS_UPDATED)
406 printf("fs_flags expanded ");
407 if (fs->fs_flags & FS_DOWAPBL)
408 printf("wapbl ");
409 fsflags = fs->fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK |
410 FS_INDEXDIRS | FS_ACLS | FS_MULTILABEL |
411 FS_FLAGS_UPDATED | FS_DOWAPBL);
412 if (fsflags != 0)
413 printf("unknown flags (%#x)", fsflags);
414 printf("\nfsmnt\t%s\n", fs->fs_fsmnt);
415 if (!printold)
416 printf("volname\t%s\tswuid\t%ju\n",
417 fs->fs_volname, (uintmax_t)fs->fs_swuid);
418 if (printold) {
419 if (fs->fs_old_cpc != 0)
420 printf("blocks available in each of %d rotational "
421 "positions\n", fs->fs_old_nrpos);
422 else
423 printf("(no rotational position table)\n\n");
424 if (ISOPT(opt_verbose)) {
425 int c, j, k;
426 for (c = 0; c < fs->fs_old_cpc; c++) {
427 printf("cylinder number %d:", c);
428 for (i = 0; i < fs->fs_old_nrpos; i++) {
429 if (old_fs_postbl(&afs, c, opostbl)[i] == -1)
430 continue;
431 printf("\n position %d:\t", i);
432 for (j = old_fs_postbl(&afs, c, opostbl)[i], k = 1; ;
433 j += old_fs_rotbl(&afs)[j], k++) {
434 printf("%5d", j);
435 if (k % 12 == 0)
436 printf("\n\t\t");
437 if (old_fs_rotbl(&afs)[j] == 0)
438 break;
439 }
440 }
441 printf("\n");
442 }
443 }
444 }
445
446 return 0;
447 }
448
449 int
450 print_cgsum(const char *name, int fd)
451 {
452 struct csum *ccsp;
453 int i, j, size;
454
455 afs.fs_csp = calloc(1, afs.fs_cssize);
456 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) {
457 size = afs.fs_cssize - i < afs.fs_bsize ?
458 afs.fs_cssize - i : afs.fs_bsize;
459 ccsp = (struct csum *)((char *)afs.fs_csp + i);
460 if (lseek(fd,
461 (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag))) *
462 dev_bsize, SEEK_SET) == (off_t)-1)
463 return 1;
464 if (read(fd, ccsp, size) != size)
465 return 1;
466 if (needswap)
467 ffs_csum_swap(ccsp, ccsp, size);
468 }
469
470 printf("cs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
471 for (i = 0; i < afs.fs_ncg; i++) {
472 struct csum *cs = &afs.fs_cs(&afs, i);
473 if (i && i % 4 == 0)
474 printf("\n\t");
475 printf("(%d,%d,%d,%d) ",
476 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
477 }
478 printf("\n");
479 if (printold && (afs.fs_old_ncyl % afs.fs_old_cpg)) {
480 printf("cylinders in last group %d\n",
481 i = afs.fs_old_ncyl % afs.fs_old_cpg);
482 printf("blocks in last group %d\n",
483 i * afs.fs_old_spc / (afs.fs_old_nspf << afs.fs_fragshift));
484 }
485 free(afs.fs_csp);
486 afs.fs_csp = NULL;
487
488 return 0;
489 }
490
491 int
492 print_alt_super(const char *name, int fd)
493 {
494 union fsun alt;
495 int i;
496 off_t loc;
497 uint16_t alt_opostblsave[32*8];
498 int save_printold;
499
500 for (i = 0; i < afs.fs_ncg; i++) {
501 loc = (off_t)(fsbtodb(&afs, cgsblock(&afs, i))) * dev_bsize;
502 printf("\nalternate %d\n", i);
503 if (pread(fd, &alt, sizeof alt, loc) != sizeof alt) {
504 warnx("%s: error reading alt %d", name, i);
505 return (1);
506 }
507 save_printold = printold;
508 fix_superblock(&alt.fs, alt_opostblsave);
509 if (print_superblock(&alt.fs, alt_opostblsave, name, fd, loc)) {
510 printold = save_printold;
511 return 1;
512 }
513 printold = save_printold;
514 }
515 return 0;
516 }
517
518 int
519 print_cginfo(const char *name, int fd)
520 {
521 int i;
522
523 printf("\n");
524 for (i = 0; i < afs.fs_ncg; i++) {
525 printf("\n");
526 if (dumpcg(name, fd, i))
527 return 1;
528 if (ISOPT(opt_inodes) && print_inodes(name, fd, i, 1))
529 return 1;
530 }
531 return 0;
532 }
533
534 int
535 print_inodes(const char *name, int fd, int c, int n)
536 {
537 void *ino_buf = malloc(afs.fs_bsize);
538 void (*print_inode)(int, int, void *);
539 int i, inum;
540
541 if (ino_buf == 0)
542 return 1;
543
544 print_inode = is_ufs2 ? print_ufs2_inode : print_ufs1_inode;
545
546 for (inum = c * afs.fs_ipg ; inum < (c+n) * afs.fs_ipg; inum += afs.fs_inopb) {
547 if (pread(fd, ino_buf, afs.fs_bsize,
548 ino_to_fsba(&afs, inum) * afs.fs_fsize) != afs.fs_bsize) {
549 free(ino_buf);
550 return 1;
551 }
552 for (i = 0; i < afs.fs_inopb; i++)
553 print_inode(inum + i, i, ino_buf);
554 }
555
556 free(ino_buf);
557 return 0;
558 }
559
560 int
561 dumpcg(const char *name, int fd, int c)
562 {
563 off_t cur;
564 int i, j;
565 time_t t;
566
567 printf("cg %d:\n", c);
568 if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c))) * dev_bsize,
569 SEEK_SET)) == (off_t)-1)
570 return (1);
571 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) {
572 warnx("%s: error reading cg", name);
573 return (1);
574 }
575 if (needswap)
576 ffs_cg_swap(&acg, &acg, &afs);
577 if (printold)
578 t = acg.cg_old_time;
579 else
580 t = acg.cg_time;
581 printf("magic\t%x\ttell\t%llx\ttime\t%s",
582 afs.fs_old_postblformat == FS_42POSTBLFMT ?
583 ((struct ocg *)&acg)->cg_magic : acg.cg_magic,
584 (long long)cur, ctime(&t));
585 if (printold)
586 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
587 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk,
588 acg.cg_ndblk);
589 else
590 printf("cgx\t%d\tniblk\t%d\tndblk\t%d\n",
591 acg.cg_cgx, acg.cg_niblk, acg.cg_ndblk);
592 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
593 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
594 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
595 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
596 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
597 for (i = 1, j = 0; i < afs.fs_frag; i++) {
598 printf("\t%d", acg.cg_frsum[i]);
599 j += i * acg.cg_frsum[i];
600 }
601 printf("\nsum of frsum: %d", j);
602 if (afs.fs_contigsumsize > 0) {
603 for (i = 1; i < afs.fs_contigsumsize; i++) {
604 if ((i - 1) % 8 == 0)
605 printf("\nclusters %d-%d:", i,
606 afs.fs_contigsumsize - 1 < i + 7 ?
607 afs.fs_contigsumsize - 1 : i + 7);
608 printf("\t%d", cg_clustersum(&acg, 0)[i]);
609 }
610 printf("\nclusters size %d and over: %d\n",
611 afs.fs_contigsumsize,
612 cg_clustersum(&acg, 0)[afs.fs_contigsumsize]);
613 printf("clusters free:\t");
614 pbits(0, cg_clustersfree(&acg, 0), acg.cg_nclusterblks);
615 } else
616 printf("\n");
617 printf("iused:\t");
618 pbits(0 * c * afs.fs_ipg, cg_inosused(&acg, 0), afs.fs_ipg);
619 printf("free:\t");
620 pbits(0, cg_blksfree(&acg, 0), afs.fs_fpg);
621 if (printold && ISOPT(opt_verbose)) {
622 printf("b:\n");
623 for (i = 0; i < afs.fs_old_cpg; i++) {
624 if (old_cg_blktot(&acg, 0)[i] == 0)
625 continue;
626 printf(" c%d:\t(%d)\t", i, old_cg_blktot(&acg, 0)[i]);
627 for (j = 0; j < afs.fs_old_nrpos; j++) {
628 if (afs.fs_old_cpc > 0 &&
629 old_fs_postbl(&afs, i % afs.fs_old_cpc, opostblsave)[j] == -1)
630 continue;
631 printf(" %d", old_cg_blks(&afs, &acg, i, 0)[j]);
632 }
633 printf("\n");
634 }
635 }
636 return (0);
637 }
638
639 void
640 print_ufs1_inode(int inum, int i_off, void *ibuf)
641 {
642 struct ufs1_dinode *i = ibuf;
643
644 i += i_off;
645
646 if (needswap)
647 ffs_dinode1_swap(i,i);
648
649 if (afs.fs_old_inodefmt < FS_44INODEFMT) {
650 i->di_uid = i->di_ouid;
651 i->di_gid = i->di_ogid;
652 }
653
654 if (inum % afs.fs_ipg == 0)
655 printf(" inode: mode nlink size"
656 " ctime.nsec flags blocks"
657 " generation uid gid\n");
658 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose))
659 return;
660 printf("%8u: %6o %6d %20" PRIu64 " %10u.%09u %8x %10u %8x %10u %10u\n",
661 inum, i->di_mode, i->di_nlink, i->di_size,
662 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks,
663 i->di_gen, i->di_uid, i->di_gid);
664 }
665
666 void
667 print_ufs2_inode(int inum, int i_off, void *ibuf)
668 {
669 struct ufs2_dinode *i = ibuf;
670
671 i += i_off;
672
673 if (needswap)
674 ffs_dinode2_swap(i,i);
675
676 if (inum % afs.fs_ipg == 0)
677 printf(" inode: mode nlink size"
678 " ctime.nsec flags blocks"
679 " generation uid gid\n");
680
681 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose))
682 return;
683
684 printf("%8u: %6o %6d %20" PRIu64 " %10" PRIu64 ".%09u %8x %10" PRIu64 " %8x %10u %10u\n",
685 inum, i->di_mode, i->di_nlink, i->di_size,
686 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks,
687 i->di_gen, i->di_uid, i->di_gid);
688 }
689
690
691 void
692 pbits(int offset, void *vp, int max)
693 {
694 int i;
695 char *p;
696 int count, j;
697
698 for (count = i = 0, p = vp; i < max; i++)
699 if (isset(p, i)) {
700 if (count)
701 printf(",%s", count % 6 ? " " : "\n\t");
702 count++;
703 printf("%d", offset + i);
704 j = i;
705 while ((i+1)<max && isset(p, i+1))
706 i++;
707 if (i != j)
708 printf("-%d", offset + i);
709 }
710 printf("\n");
711 }
712
713 void
714 usage(void)
715 {
716
717 (void)fprintf(stderr, "usage: dumpfs [-acFimsv] filesys | device [...]\n");
718 exit(1);
719 }
720
721 int
722 openpartition(const char *name, int flags, char *device, size_t devicelen)
723 {
724 char rawspec[MAXPATHLEN], *p;
725 struct fstab *fs;
726 int fd, oerrno;
727
728 fs = getfsfile(name);
729 if (fs) {
730 if ((p = strrchr(fs->fs_spec, '/')) != NULL) {
731 snprintf(rawspec, sizeof(rawspec), "%.*s/r%s",
732 (int)(p - fs->fs_spec), fs->fs_spec, p + 1);
733 name = rawspec;
734 } else
735 name = fs->fs_spec;
736 }
737 fd = opendisk(name, flags, device, devicelen, 0);
738 if (fd == -1 && errno == ENOENT) {
739 oerrno = errno;
740 strlcpy(device, name, devicelen);
741 errno = oerrno;
742 }
743 return (fd);
744 }
NetBSD on the FriendlyARM MINI2440